I think an argument could be made to bet the turn, but it would be very read dependent imo (as in: what's his range (any K's in there?) and does he continue with worse often enough to justify a bet?). OK this being 2NL and the guy not being full stacked, chances are that a turn bet would be OK.

But then what's the plan if he raises? Looks to me we could be headed to some very serious OOP river trouble if we call a raise.