Probably not a real well-known film, but for children’s fare, I think Shiloh (1996) is a definite keeper.
Not going to give much away, but beyond the story of a boy trying to save an abused beagle hunting dog, there’s much that would resonate with conservatives: The importance of keeping one’s word, the lesson that doing the wrong thing for the right reason is still doing wrong, and the lesson that if you want something bad enough, you’ll work hard for it.
A Town Called Alice ... mini-series, but a beautiful, haunting film.