Just put groceries in her for now, and leave her be. Get to know her, pick her feet out, if you can run soft brushes on her, do, just spend time with her, feed her, get to know her. It may be a couple of months before you can start thinking about working her, but in the long run it'll be better!
Aside from lots and lots of groceries is just letting her get to know us-she's such a love-she knows when we get there to her quarrantine paddock and is standing waiting and watching with her ears perked forward-it's so cute! :) we tried to pick her feet yesterday, and she was letting us, then, without notice the emergency 'test' sirens started going off-she didn't startle but she got antsy and we stopped-it was rather disconcerting even for a human and it was a very new experience for her! We've been brushing on her and working on getting her 'clean'-she is beyond filthy-she even smells sour-not at all like a horse! We're supposed to have 80 degree weather the next couple of days-the vet agreed she was in dire need of a bath-she had very loose poo and is quite a mess in the hindquarters to boot-so am going to ask him if he thinks today would be good to clean her up-he had asked us to wait til it was REALLY warm and the overnight temp would be high-it will be in the upper 50s/low 60s tonight-maybe we're rushing things on that, but she's the filthiest animal i've ever encountered. Run your hand thru her coat and it's grimy and blackened. I'll see what he thinks-i just know we all agreed a bath is a must as soon as is possible. Poor girl. But she's just being to loving and docile and loving and sweet and I can't say enough good about her! Anyway, i'm prattling-it's time to go back out to see the ol' doll baby! :) until next time!
Good for you taking that responsibility, I would get the dentist to look at her and get her on a proper worming schedule. I cannot believe how skinny she was, but good luck! I am sure she will be happy with your efforts.