Her weight is just under the 5th percentile for her age. Suggest giving her Pediasure, nutrient dense formula for children above one year old, instead of milk so she is consuming extra calories and protein for weight gain and growth. She should be eating regular food and feeding herself at her age. The most important thing is to relax. It is ok if she does not want certain foods; try again in a few weeks. Forcing a child to eat will not work. Sometimes it takes 5-9 times to introduce a food to a child that they will accept, however, if they do not want it you have to not make a fuss and let it go. Hoped this helped you.