NL20. SB. K4s. Flopis flush. Mida teeksid sina?

[Lutzky]

Microgaming, $0.10/0.20 Hold'em Cash Games, 6 Players

Board:
Button: $30.73
SB: $18.26
BB: $20.82
UTG: $18.25
UTG+1: $14.41
CO: $21.66

Dealt to SB 4 K

Pre-flop:
UTG calls $.20, (1 folds), CO checks, Button calls $.20, SB calls $.20, BB checks

Flop: ($.90) 7 T J (5 Players)
SB bets $1, BB raises to $3, (2 folds), Button calls $3, SB ???