Im also leary of not free feeding. With Diggy being so prone to low blood sugar, I make sure he eats at least 3 times a day still plus I hear him crunching in between meals. I suggest looking into a "diet" food, and nothing but healthy snacks. I noticed when I took Bella off all commercial snacks and went with yogurts, veggies, and fruits she seems to have lost weight, have more energy and healthier coat too! They do get some toddler treats too like the dehydrated fruits and fruit puffs made by gerber.