Welcome to BYC! Usually you can attempt to put the chick back under a broody hen in the dark when they're all sleeping but if she rejects it after that it's usually considered too dangerous to attempt again. After that you'd basically have to steal another chick from the other hen and raise...
I've found when trying to establish hobbies it's best to actually schedule an alarm or something on your phone and dedicate 15 minutes to start with for whatever it is you're attempting to do, and to do that daily or every other day if you can. :D
It's especially helpful if you try and tie your...
Ah gotcha. It doesn't look serious, so I'd stick with what I said previously and just make sure it's disinfected and healing well, that the other chicks aren't picking on it. Vetericyn is safe around eyes, iodine you'd want to be very careful where you dab.
I would use an antiseptic spray like Vetericyn or diluted iodine for most general scrapes and ouches. But the picture isn't very clear where the injury is?
It depends on the State, I think.
https://www.nasda.org/about-nasda/state-agriculture-departments/ has contacts for all the departments I think; they should be able to answer questions about poultry.
https://www.ecfr.gov/current/title-9/chapter-I/subchapter-C has the rules about transporting...