NL 50 Nut flush draw + pair vs station

[starkwired]

Villain is 52/10/1 over very limited sample, calls down light.

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

SB: $45.80
BB: $61.55
UTG: $98.90
Hero (MP): $89.60
CO: $19.00
BTN: $50.50

Preflop: Hero is dealt 7[img]/images/graemlins/diamond.gif[/img] A[img]/images/graemlins/diamond.gif[/img] (6 Players)
UTG calls $0.50, Hero calls $0.50, 2 folds, SB calls $0.25, BB checks

Flop: ($2) 9[img]/images/graemlins/spade.gif[/img] Q[img]/images/graemlins/diamond.gif[/img] 8[img]/images/graemlins/diamond.gif[/img] (4 Players)
SB checks, BB checks, UTG checks, <font color="red">Hero bets $1.75</font>, <font color="red">SB raises to $3.50</font>, 2 folds, Hero calls $1.75

Turn: ($9) 7[img]/images/graemlins/club.gif[/img] (2 Players)
<font color="red">SB bets $5.00</font>, Hero ?

Should I raise the flop? If so, how much? If we get reraised on the flop, what's our line?

I wasn't sure what to do on the turn.