10NL bet the turn?

[WeaselT]

$0.10 NL (6 max) - Holdem - 6 players
Hand converted by PokerTracker 4
MP: 152.1 BB
Hero (CO): 101.5 BB
BTN: 204.5 BB (VPIP: 46.67, PFR: 13.33, 3Bet Preflop: 0.00, Hands: 17)
SB: 108.3 BB
BB: 100 BB (VPIP: 37.23, PFR: 16.79, 3Bet Preflop: 0.00, Hands: 138)
UTG: 209.9 BB

SB posts SB 0.5 BB, BB posts BB 1 BB

Pre Flop: (pot: 1.5 BB) Hero has K Q
fold, fold, Hero raises to 3.5 BB, BTN calls 3.5 BB, fold, BB calls 2.5 BB

Flop: (11 BB, 3 players) 6 7 Q

BB checks, Hero bets 8 BB, BTN calls 8 BB, BB calls 8 BB

Turn: (35 BB, 3 players) 3

BB checks, Hero ??

I wasn't at this table long, both guys are pretty fishy. I feel like I could've bet more on the flop. Bet/fold the turn or check and try to see the river? I feel like my hand gets pretty weak on that turn. Also, say I bet the turn, sizing?