I know the whole movie plot so I hope this helps, this movie is about a girl who has a black horse, looks like black beauty :) she is driving like around a cliff bend and the horse trailer almost falls, she goes to rescue the horse but, she falls down the cliff herself, she broke her back or something... now she's in a wheelchair. The girl runs a ranch with her father and brother, her horses name is jet. At the end of the movie, she walks again I think... what is this movie? Pleez help!

Dark Horse (1992) (http://www.imdb.com/title/tt0104054/)