This was literally the first hand I played against this guy so no reads. What should my move be???

BB ($340.35)
UTG ($251)
MP ($544.15)
CO ($64)
Heroine (Button) ($233)
SB ($238.40)

Preflop: Heroine is Button with K, Q
3 folds, Heroine bets $7, SB raises to $23, 1 fold, Heroine calls $16

Flop: ($48) J, 10, 5 (2 players)
SB bets $38, Heroine...