[RandomUser]

I'd 3-bet 6th street on 1st hand as well. For him to cold-call 2 bets on both 4th and 5th, I'd put him on trip 7s or 9s much more often than if he had 56 in the hole.

If he's willing to give that much action with a gutshot straight draw, then make a note and follow him around with a bucket.