Winamax - 20000/40000 NL (6 max) - Holdem - 6 players

Villain is a possible maniac. After he21 hands which is too much of a small sample, I know, is VPIP 49 PFR 29 AFq 71 It is DAY 2 out of 3 of a flight tournament. 5€ Buy-In.
Bottom two pairs are one of these situations where I'm having a hard time, especially in an SB vs BB spot.

Hero (SB): 34.36 BB
BB: 54.84 BB
UTG: 20.05 BB
MP: 23.86 BB
CO: 72.05 BB
BTN: 23.73 BB

6 players post ante of 0.13 BB, Hero posts SB 0.5 BB, BB posts BB 1 BB

Pre Flop: (pot: 2.25 BB) Hero has 6 8

fold, fold, fold, fold, Hero raises to 2.5 BB, BB calls 1.5 BB

Flop: (5.75 BB, 2 players) 9 8 6
Hero bets 1.49 BB, BB raises to 7.5 BB, Hero calls 6 BB

Turn: (20.75 BB, 2 players) 3
Hero checks, BB bets 24.9 BB, Hero ?

Should I have check raised on flop instead? Or as played 3 bet ? Fold to see another deal ? What now on the turn ? Since I bet on the flop should I take the lead ? Any answer and especially detailed ones are welcomed. I felt adrift, lost at sea ;-)

You block sets, there are tons of draws out there, you have 2 pairs BvB 35 BB deep -> I ship it on the flop. As played the 3d is a brick, so for the same reasons I call the turn bet.

Looks like you have the maniac right where you want him.

I get it in on the flop, and expect to get called by a ton a one pair hands. Several bad turns that at least kill your action.

Yeh I'd ship the flop - too many turns are hard to play, and he could check the turn and have a very tough river spot. As played though you're basically the top of your range after calling the flop raise, so certainly get it in.