That sounds reasonable to wait a bit. Torpedo feeding or crop feeding may be something to try if she has a problem getting enough to eat and drink. Most vet links recommend pain control, and that usually means meloxicam or medicam, which is a prescription drug that some might have leftover from their dog or cat. Aspirin might cause more bleeding. Here is some info on torpedo feeding:
https://www.backyardchickens.com/th...eeding-what-is-it-and-when-to-use-it.1532744/
https://www.backyardchickens.com/articles/crop-feeding.75454/
https://www.backyardchickens.com/th...eeding-what-is-it-and-when-to-use-it.1532744/
https://www.backyardchickens.com/articles/crop-feeding.75454/