I seriously just posted a comment on your older drawing and seen you had more :)
The drawing "Hope" is pretty accurate, body/face etc., but the hooves are a bit large, and bulky if you don't mind me saying, you will probably/more then likely improve on drawing the horses hooves as time goes on, but while I'm at it, I'll give you a few tip:
1: Thin the feet down, horses have actually small feet, and at times it looks like they shouldn't be able to hold their massive bodies up.
2: at the Inner Framework, where the hooves and the ankle meets, make it longer, the heel should be extended from the Shin/canon bone just a little, it should be in a L Shape at the end of the day.
3: Maybe look up the horses hoof on the internet, it's actually very educational, and will help you get a better point of view.
Other than that, pretty good, I look forward to seeing more!