I want to know how much to give me 5 month old 3lb yorkie.......he is currently on Chicken soup but but I got some can food to mix in with it I don't want to over feed him when I give him the mixture so what is a good amount.......I am thinking about doing the mixture twice a day and for his 3rd feeding just giving him dry kibble.........So can someone PLEASE tell me how much dry kibble to mix in with the can food for each feeding