Wild Beauty 1946 KING OF THE PLAINS!
Overview: In this western, a Native American boy and his horse Wild Beauty make friends with a gentle doctor who helps the boy save his beloved steed from the cruel industrialist who has been slaughtering horses and using their hides for making shoes. Read more at http://www.allmovie.com/movie/wild-beauty-v117011#MPOP1dAiWrjP7tqA.99