50 NL Flush draw hits

[Nuprin]

villain was running at like 27/23 and I was 16/12 I think.

Poker Stars - No Limit Hold'em Cash Game - $0.25/$0.50 Blinds - 6 Players - (LegoPoker HH Converter)

SB: $49.50
BB: $33.25
UTG: $198.75
MP: $32.70
CO: $4.60
Hero (BTN): $84.15

Preflop: Hero is dealt J[img]/images/graemlins/club.gif[/img] Q[img]/images/graemlins/club.gif[/img] (6 Players)
3 folds, <font color="red">Hero raises to $2.00</font>, SB folds, BB calls $1.50

Flop: ($4.25) 7[img]/images/graemlins/club.gif[/img] K[img]/images/graemlins/club.gif[/img] A[img]/images/graemlins/heart.gif[/img] (2 Players)
<font color="red">BB bets $1.50</font>, Hero calls $1.50

Turn: ($7.25) K[img]/images/graemlins/diamond.gif[/img] (2 Players)
BB checks, Hero checks

River: ($7.25) 6[img]/images/graemlins/club.gif[/img] (2 Players)
<font color="red">BB bets $6.00</font>

Do you raise up the flop? Do I worry about a boat on the river or should I raise for value?

Thanks