Rottweiler Movie

I am posting this for you homecloned. I hope I am right. Someone said you loved rottweiler's and was wondering if you have seen this movie or not. It is called Mustang Country. It features Joel McCrea. Patrick Wayne plays a small part. The rott's name is Rote. The movie is about an older man and an Indian boy chasing a mustang with the help of the rott. It is set in Montana in the 1925's.