Since your daughter is 3, the Dining Plan is 10.99 per day for her and includes a table service meal, a counter service meal and a snack. If you plan to do character meals, those are about 10.99 for the child's price, plus you would still get another meal and snack on the dining plan. You won't be charged $30 per day for a child.
For moderates, we love CSR - it has a great pool and playground. But it is very spread out, and you might not want all that walking with a three year old. CBR has a brand new pool with zero-entry, but it is also very spread out. POFQ is small and manageable for little legs.
Have a great trip!