I would have put in a min-raise on the flop for several reasons:1. You want to build the pot when u have the nuts.2. If he has flopped a hand like bottom 2 he will play back at you and come back over the top thinking you are trying to buy a free card with a drawing hand like 56 (although it is unlikely you would raise UTG with a hand like that but who knows).3. Your opponent can easily have a drawing hand like a 56s and took a stab at the pot with a semi-bluff hoping u would fold or just flat-call and get a chance at getting a free card on the river. 4. If he has nothing and folds u win the p