Introduced my 8 week Golden to raw diet for one meal. Started off with chicken neck, egg and veggies that I ground up. He gets his kibble for his other two meals. Would like to eventually switch to an all raw diet for his meals when he is down to 2 meals a day. Also I want to make sure that he gets all the nutrition that he needs as a growing puppy. My question is do I need to weigh out what I feed him? Any tips on planning meals and portion control?