When I've had a litter that isn't interested in their kibble, I add a couple of tablespoons of a good quaity canned food and stir it well so it mixes with the soaked kibble. That usually does the trick. I've also had puppies the hit 6 weeks or so and won't eat their food wet but do if it's dry. I make sure they always have a bowl of fresh water available to them.
