what can a 4 month old yorkie eat?

i got him about a week ago and he is eating right he eats little at a time but he looks thinner to me right now im giving him dried food with milk then i blend it till its mushy. What can i start giving him so he could eat a little more and gain a little bit more weight?i did take him to the vet she said he is fine to keep feeding him that as long as he eats it and to have it there at all times.

Get the pup to the vet now. Now. Please. A 4 month old HEALTHY Yorkshire Terrier can eat small kibble. And do it very well.VET please! This dogs are prone to liver shunts!

Small dog food, Puppy kind. You can find it at pet stores. If he seems sick, take him to the vet.

Cut out the milk. Dogs don't digest cow's milk very well. Just feed him his dry kibble. You may be comparing him to overweight dogs. Many dogs will wolf down more than is good for them and look for more. Others refuse to eat more than than they need. Evaluate the dog as illustrated in this link, http://www.longliveyourdog.com/twoplus/RateYourDog.aspx You may want the vet to confirm your judgment. Adjust the dogs food and exercise as needed to reach its ideal body condition. Some German Shepherds and other breeds may refuse to eat enough to completely hid their ribs. As long as you are feeding a concentrated, meat based chow, the best thing is to accept it.The worst thing you can do is to bribe a dog with rich foods into eating more than it needs. Instead, Put down the dish with what the dog should eat, and give it 15 minutes to eat. Then take it up. Do not give it anything to eat until its next scheduled meal. In a few days, it should be eating what it needs. Continue to check its ribs and adjust the food as needed. This is not easy. I had a Shepherd go 3 days on a few nibbles. I was a wreck, but she was fine. It is almost unknown for a healthy dog not to eat what it needs. Unfortunately, in too many cases, it is less than the package says, and less than the owner thinks the dog should have. Many dogs are quite good at holding out for tastier chow. Like kids, sometimes it calls for tough love.