Oh I did forget to mention one thing, and that is expect your broody reared chicks to behave much more standoffish once grown compared to your human reared ones.
The Livestock Conservancy has a list here of quite a few breeds that commonly go broody. In my case I can usually expect a broody hen if I leave a clutch of 5 or more(marked) eggs in the favorite nest box. Other hens will still lay into a broody hens box if it was the favored box hence why I...