Id keep an eye on her, obviously. Make sure it doesn't get swollen and she doesn't start getting lethargic. Maybe you could get some vet wrap and wrap her wing to keep it in place.
What is your run like? Do you use hardware cloth or chicken wire? Its expensive but hardware cloth is the way to go to predator/dog proof runs and coops. I hope you can get past the loss :(
Are you in Michigan by chance? Because I have the same problem 🙄 we had a late frost that killed a lot of apple blooms last week and now its a real feel of 94° today!
A standard chicken is about 10-12 inches tall, a bantam is usually 6-8 inches tall and a brahma is a breed and they can get up to 2 feet tall. Obviously genetics and breed type come in to factor.
Before covid hit I was a full time barber (waiting on our governor to give us the go ahead to get back) and My birds were complete, 100% free range. I'd make sure they had food and water and they'd just roam freely. Since quarantine is now my life, I've built them a new coop and pretty sizeable...
How day are they on? In the early stages you should see veins by day 7-10 and you will see the little creature move around and the yolk will still be a little sloshy