On the flop, Im happy to flat the villains min raise. When a 2nd spade hits on the turn should I be concerned about the flush draw and raise it up here?

PokerStars No-Limit Hold'em, $0.05 BB (5 handed) - Poker-Stars Converter Tool from FlopTurnRiver.com

UTG ($9.95)
MP ($12.08)
Button ($7)
SB ($1.90)
Hero (BB) ($6.43)

Preflop: Hero is BB with Q, 10
UTG calls $0.05, 2 folds, SB calls $0.03, Hero checks

Flop: ($0.15) 6, 10, 10 (3 players)
SB bets $0.10, Hero calls $0.10, UTG calls $0.10

Turn: ($0.45) 9 (3 players)
SB bets $0.15, Hero ??