I had a broody failure today. I isolated my two broody Wyandottes who were sharing a nesting box (converted fruit crate). Tonight I went in and found two fluffy chicks laying stiff in the shavings. One was still breathing and I put it under one of the broodies, hoping to warm it back up. The other was gone.

The rest of the eggs haven't hatched, yet.
So, do I go back out and bring the barely breathing one and put in under a lamp? Do I leave the other eggs and hope they do better or should I take them and stick them in the bator?
It's my Wyandotte curse. It was Wyandotte eggs that I left unplugged overnight and lost every single one. I've had major fertility issues. I don't know that I'll ever have a chick besides the obviously male one in the brooder.
I thought a broody would be fool-proof!!!