$3/6 TPGK faces bet and raise on turn

[stonescar]

As far as I know villain is a solid Tag. He's also been playing 5/10.
BB is a regular 3/6 fish, calling too much on all streets
No specific reads

Hero is Button with K[img]/images/graemlins/club.gif[/img], Q[img]/images/graemlins/spade.gif[/img]
Preflop: (5 players, $0)
MP folds, CO calls $3 and raises $3, Hero calls $6 and raises $3, SB folds, BB calls $6, CO calls $3

Flop: 6[img]/images/graemlins/club.gif[/img], 8[img]/images/graemlins/heart.gif[/img], Q[img]/images/graemlins/heart.gif[/img] (3 players, $24)
BB checks, CO checks, Hero bets $3, BB calls $3, CO calls $3

Turn: T[img]/images/graemlins/spade.gif[/img] (3 players, $33)
BB bets $6, CO calls $6 and raises $6. Hero?

What are my options, and why?