Thanks!Here you go, @Wyorp Rock
Were any photos posted?
Blu Kote can be used on minor scrapes/wounds if that's all they have, it just makes it harder to see the skin because of the color.
Figuring out why she's being pecked is a good idea. Space issues, mites/lice?
If the hen is doing it to herself, then feather mites (depluming mites) may be a problem.
Sometimes it's a guess...