I say, stop the milk, He is getting full from it and therefor sees no interest in food. Let him have a bottle in the morning and one at night, but no more. Offer him food and don't budge. Eventually, he'll get hungry and start showing interest in food. That's what I did! And my daughter eats everything and anything now.
Oh, and don;t worry if he doesnt eat the first 2-3 days, he'll be testing YOUR resolution to the new rule. Don't waver, he has enough reserve and will be getting enough nutrition in the course of the week to be just fine...