If its inside a little fence you could use one side as part of the wall? Or raise it up and grow grass inside. On top of wood and such, the reason i say this, is because to prevent any animals from burrowing under the run and hurting the chickens. But its up to you
Thats horrible! :( Set a brooder up ASAP, a checklist will be made under this text if youd like to use it:) id also reccomend another broody nice mom to look after the chick afterwards. *So if has someone to look up to as a main source*
checklist for brooder
- Feed (I recommend manna pros...