The Nuts I think I screwed this up

[AdamBragar]

I'd think he'd repop the flop with a big hand, so my guess is he has some sort of draw or maybe a semi-decent hand that he's looking for a cheap showdown. He probably isn't putting much money in if he has a cheap showdown hand.

2 options I see:

1) Bet something smallish on the turn, like 500 or so. Perhaps he'll call with a draw.

2) Once you check the turn, I like checking the river as well, since a spade draw got there.