Royal Canin is a VERY poor brand of dog food, and overpriced. Blue Buffalo is ok, but again, super overpriced! I think it's at least $3/lb, and you can get better kibble for less.

Innova Evo does have really tiny bites, and it has great ingredients. It's one of the best kibbles available. Innova also has a formula with smaller pieces for adult dogs. Canidae has small bites, really good ingredients and a great price.