Yeah… it sounds like more then it really is, sp is reallly dense and mostly water/fiber. It's about 1/2 a cup cooked I think...
I always feed mine because my mom is the same - thinks I'm not giving enough though she admits that Dreamer at least is the right weight. Silly puppy on the other hand is hard to keep weight on, the whole litter is the same and so was his sire. At least he's not like his sister who will only eat ground chicken...