That's cute!
If the hen is acting agressive twards the chick and is pecking at it you should probably remove it to a brooder in the house. And if you have an incubator you should probably plug it in and if the hen is still acting weird take the eggs and put them in the bator.
If the hen is acting agressive twards the chick and is pecking at it you should probably remove it to a brooder in the house. And if you have an incubator you should probably plug it in and if the hen is still acting weird take the eggs and put them in the bator.