Check her vent area to make sure that she does not have poop stuck to her vent. Chicks can suffer shipping stress, and may become dehydrated or have pasty butt. If you cannget some Poultry NutriDrench you can give her a couple of drops daily, and try to get as much water into her as possible by dipping her beak often. Sugar 1 tsp per 16 ounces of water would be good in place of molasses. Sprinkle a few crumbles of chick feed around her feet on a clean paper towel to try and interest her in eating. Do you have a thermometer under your source of heat? Keep her warm, but not too warm. 90degrees F is about right for the first week of life.