I had a hen go broody, she only had one egg but we decided to let her hatch it, hope she will be a great mommy. with only one to watch hopefully she will do well.
Give the chick and hen some Apple cider vinegar in their water to help kill germs. Just a little bit in the water so they don't taste it. Still put it in the water but sometimes your hen will drink it plain. My mut dose it all the time when I go to pour it in the water. And I think apple cider vinegar tastes bad. :cd