So I have 3 chicks that were hatched September 26th. They've spent the last 5 weeks eating me out of house and home, growing feathers, and now...starting to stink up the place. They are also getting restless. I have put them outside for hours at a time in our little coop/run that is being set aside for them. They will stay in there for at least a week, and then we'll start letting them free range with the older ones. After a few weeks of that, 2 of the 3 are leaving to a friends house, and one is staying with us, and will be integrated into the main flock. So...here's the deal. They haven't "completely" feathered out yet, and it's getting cold at night. Next few nights will be in the low 30's. So I'm thinking of cranking on their heat lamp inside the small coop, but only for night time hours. During the day, it will be rising to the 50's and even low 60's in a few days. Thinking about doing this for a week or so until the rest of their feathers come out. Acceptable plan?