$1 PLO ds broadway turn deep

I play a lot with villain. He's one of the better players I face on a regular basis, but can make mediocre plays at times.
In 3-4-handed play he has been running at 38/30/2 over 469 hands. He has a raise button percentage of 65% and a fold to 3Bet on the button of 20%.
He likes to realize the equity of his weak draws, so I don't think he has much of a bet-fold range on the turn. I would expect him to be betting primarily straights on the turn or very big drawing hands, should we check to him.
What's your turn play?

Submitted by : InsideMan

Hand converted by PokerTracker 4: http://www.pokertracker.com

UTG: $174.61
BTN: $163.82
Hero SB : $193.00
BB: $97.00

Pre Flop: pot: $2.00 Hero has

fold, BTN raises to $3.00, Hero raises to $10.00, fold, BTN calls $7.00

Flop: $21.00, 2 players
Hero bets $16.00, BTN calls $16.00

Turn: $53.00, 2 players
Hero

cc turn openshove BP rivs and spades

Do we open shove spades just because we don't think villain is floating this flop very often without an actual hand (so we would probably get called and there's not many hands that he'd be bluffing with anyway) and that he wouldn't shove a straight on river spade? Is it unlikely for someone to shove a straight if the river spades?

most ppl wont vbet a str8 when checked to on a spade riv nah

Thanks for your input MiPwnYa.