She's what...4-6weeks? How old is she?
I would keep her on Chick Starter (18-20% protein). A treat of eggs is fine. Provide your chicks with grit since you give other things besides poultry feed.
You can give some poultry vitamins that contain B-2 (Riboflavin) once week, but with toes that...
On your other thread you mention that you tried splinting the feet, but it didn't help.
Curled toes like that could be a genetic defect, from vitamin deficiency or improper incubation, among a number of other things. Sadly, sometimes this cannot be fixed.
What do you feed, including treats...