In the meantime get her on a multivitamin, something like poultry nutri-drench or rooster booster poultry cell and syringe it into her mouth.
Here’s a guide on how to do that https://www.backyardchickens.com/articles/safely-administering-oral-medications-to-all-poultry-and-waterfowl.73335/
It’s...
If a vet is at all possible I really recommend taking her in ASAP.
She’s severely anemic and the dry skin is either a result of that or there’s an underlying condition causing both.
Could you post a picture of her feet?
What breed is she?
What feed are they on?
Dry skin can be caused by vitamin deficiencies, vitamin deficiencies can be caused by various issues from poor diet, illness, to parasites, all of which could cause anemia, which might explain the bluish skin...