Modders have tended to focus on first-person animations, both because it's the more popular view and the easiest to tweak.
This is, of course, because up until yesterday New Vegas had absolutely no bespoke sneaking animation for its canine ...
Bethesda’s Fallout: New Vegas had a minor issue where human companions crouched when players sneaked. However, Rex, the dog companion in the game, didn’t crouch and walked normally, which looked a bit ...