I wouldn’t keep a chicken without others. I would adopt two chicks then. It can be done, and can be very fun but there are Some issues of course.
Dust/mess, they are messy of course like parrots. When they molt, be prepared for lots and lots of feathers.
Poop- they can’t be house trained, there are Diapers available though. But they can’t wear one all day.
Happiness- I don’t think it is healthy for them to be indoors 24/7. They Will want to take sand baths outside, Hunt for a few bugs etc. You can do that by letting them play in your backyard, but you can also train them to go on walks in the great outdoors.
Enrichment- when they are inside they Will need more enrichment then when they are outside. Toys and foraging are fun, like hanging greens of balls. That can get quite messy. Even if you just feed them their greens in a bowl, they Will be quite messy with it.
I have probably forgotten things but this came to mind. Personally, I would think it iDeal to have an outside area where they can mess around while you are gone, and come inside when you’re home. But, that would only work in areas where the inside and outside temperature are the same, which is not the case in most places of course!
Thank you for wanting to help this disabled chick!
Some websites:
Can I Have An Indoor Pet Chicken? |
This is about ducks, but a lot of things are true for chickens also:
Ducks In Diapers - HouseDuck Care
These are experiences from people with indoor chickens:
people with house chickens | BackYard Chickens