Dog walking between legs...What kind of behavior?

Without seeing it, who knows?  Where did you find this breeder?  I'm not a Rhody person, but if you PM the name, location & website, I can try to see if it looks like there are any red flags.  

I found her from the Rhodesian Ridgeback Club of US.  She was very nice and helpful.  Answered all our questions and gave us great advice.

Crusher does this too.  He's a husky, but I never really interpretted it as submissive to me.  Perhaps to other dogs.  When he was a puppy and still smaller than the other dogs at the park he would run between anyone's legs if the other dogs were bugging him too much.  It was cute until he reached full height.  He weighs 86 pounds now and most everyone has learned to stand with thier legs together when he is around. lol

Xerxes will still do it, especially after a rough bout of play.  He'll run full speed and stop right between my legs.  With his particular behavior, it takes him back to puppyhood and being underneath "my human" is a very safe place for him, it's also a good place take a break. 

I can see how it would be interpreted as submissive behavior, but I don't really think it is.  For what it's worth, I've never seen and RRs exhibit this behavior before so I could be entirely off base.

My ridgeback does this all the time!  Usually it's when I just come home and I believe he's excited to see me, or when he's excited to see anyone actually - he will run through people's legs over and over again.  When he's a little less excited he will still do it but he will pause so that his butt is right in prime scratching distance and will wait there while you scratch and he stretches.
 
I don't think it's really a sign of submissiveness or dominance - just wants to be close! 

Yea, it was weird.  She just did it once to the people in the room and then went and did her thing.  A friend of mine talked to the trainer he goes to and the trainer said he thinks it's a dominant thing.  

I had a BC bitch who did this. She used under the legs as one of her "comfort zones". She'd do it if she were stressed, or if there was anything new that she needed to think about (not necessarily panicked, but just a way to think). A LOT of BCs do this. People think, "Aaaaaah, poor thing, obviously abused." And 95% of the time it's just a mannerism, the way that particular dog handles the need to avoid stimuli and think. Jen, who I had from a baby pup, was faaaaaaar from abused. []

If I had hopes of my pup being a great performer in something, and I saw a direct parent of a pup I were considering doing this, I'd take a pass - I prefer a dog that can think things through right in the face of pressure.

There is no problem with this though in a dog that is going to be a companion. It's not a fault if you don't need your dog to do what we call "hold pressure". I certainly wouldn't encourage it - just be aware that you can't punish, either, just consider how to increase that dog's ability to sort things out without feeling the need to retreat.

Now, if a lot of her dogs were exhibiting avoidance behaviors, red flags would go up for me that this was a problem in the line. But a single individual can pop up in any line that is being bred for performance, or a strong working breed or one close to its working roots. A good conversation to have with ANY breeder is what individuals they've been breeding and why, and the reasoning used for the matchups they do.

ORIGINAL: Underdog_19

I found her from the Rhodesian Ridgeback Club of US.  She was very nice and helpful.  Answered all our questions and gave us great advice.

I'm glad you're happy and that you went through the national club for the referral.  []

he will pause so that his butt is right in prime scratching distance

 
Most of the dogs I know that do this, Cuma included, do it to get a good butt scratch. [] 

ORIGINAL: cumasmommy

he will pause so that his butt is right in prime scratching distance

Most of the dogs I know that do this, Cuma included, do it to get a good butt scratch. [] 

CoCo does it too!  She thinks she's a cat and will rub herself up in between and against your legs and usually with her rear end sticking up.  I also agree that she is not being submissive, but rather asking for a butt scratch!

I had a BC bitch who did this. She used under the legs as one of her "comfort zones". She'd do it if she were stressed, or if there was anything new that she needed to think about (not necessarily panicked, but just a way to think). A LOT of BCs do this. People think, "Aaaaaah, poor thing, obviously abused." And 95% of the time it's just a mannerism, the way that particular dog handles the need to avoid stimuli and think. Jen, who I had from a baby pup, was faaaaaaar from abused.

Her mama does the same thing. If June is stressed, unsure, scared, confronting a new situation - whatever - she's looking for a spot either under, or between my legs. It comes out in other contexts as well - when she is faced with decisions, pressure, etc., she finds it difficult to think on her feet.

Like Becca says, fine for a companion dog, not so fine for a working dog.

Poor June! We'll give her an honorary working dog medal, though. [] She definitely gets an "A" for effort. She's gonna rock in agility, I know!

Wyatt does it to me, a lot. I think that he just thinks it feels good. If i'm laying on my bed and my feet are hanging off the end, he'll go back and forth, several times scratching his back. I'm sure him being a ridgeback too is just a coincidence.