yep, keep them like that for a couple weeks, you should see a difference. Just be yourself and not make a big deal out of it and they will pick up on your mood. Give it time. We want tripod to be happy and I really think you are on the right track.
I would introduce Tripod to the little hen and see how they react together. If they are kept separate from the rest and get along I wouldn't worry about it. Size really doesn't matter. I have some silkie rescues mixed in with my flock and the one little guy fought his way up to sit beside the...
I have a three legged dog, I know it isn't the same but what I am getting at....his fourth leg only partially developed. It just small leg that hangs there but he doesn't miss what he never had and the vet said as long as it doesn't drag the ground causing open sores then leave it alone. Enjoy it.
there is nothing you can do. Do you want to raise this one? You may not have a choice. I would let nature take it's course. I wouldn't want any chicks from it since it carries an abnormal trait, you understand? But if you want to keep it as a pet..............??