BB: 500 (25 bb)
Hero (BTN): 490 (24.5 bb)
SB: 510 (25.5 bb)
Preflop: Hero is BTN with 7

K
Hero raises to 40, SB calls 30, BB calls 20
Flop: (120) 7

9

9
(3 players)
SB bets 120, BB calls 120, Hero ???
1st hand of a 7$ spin. what do you guys think?