the UVB fixture should cover the entire length of the enclosure, should be a 10.0 tube, and the dragon should be able to get within 6" of it.
you want the basking temp at 110f for a baby, use a rock or half log hide for it to bask on. anything under the light will get hot, but shouldn't be dangerous unless yours temps are higher than they should be
feeding babies is different than feeding adults. babies need primarily an insect diet, adults need primarily a greens diet. generally you'll want a ratio of 80% crickets or other insects and 20% greens for a baby. babies will eat every day, and can take down 20-30 appropriately sized(no bigger than the space between the eyes)crickets in one sitting. greens should consist of collared greens, dandelion greens and mustard greens.
crickets should be dusted in a calcium supplement 3 times a week, and a multivitamin supplement twice a week.