I'd raise this all day, especially if he's a spewy lag

If he flat calls and c/raises the turn, you'll have something to think about. Besides that, just try and built the pot.

edit : especially if he's aggressive in the sense "not likely to put opponents on nuts" and thinks deep. Since you punished limpers, you're much more likely doing this thinking HE doesn't have a jack and he's likely doing this thinking YOU don't have a jack. He'll also (like most ppl replying in this thread) think "why raise if he has a jack?"... And btw, after raising the flop, you can get a lot of value out of his medium-strength holdings by checking the turn and potting the river.