I've been feeding my baby louie who is 12 wks old blue buffalo for small breed puppy formula well should i say trying too.

he hates it I went to my local dog groomers and got sample packets of diamond,dr gary's,wild wilderness and he hates all of them also. what he goes absolutely crazy over is my large breed dog's food. which is purina one large breed formula. he needs his puppy nutrition I just can't seem to find a kibble he likes. what seems to be your favorite food that your babies seem to like??