In my experience with switching from canned to raw, buying freeze dried snacks from your local pet store and giving them some so they get the taste of it, then sprinkling it over the food works for me. I personally would ditch the kibble altogether. I've had big problems develop due to dry food addiction. Just putting it out of sight is no good. You need to get it out of your house LOL, they can smell it no matter where you hide it. Crafty...
