Delivered a bad beat

Full Tilt No-Limit Hold'em, 26 Tournament, 40/80 Blinds (9 handed) - Full Tilt Converter Tool from FlopTurnRiver.com

BB (t2495)
UTG (t5970)
UTG+1 (t1445)
MP1 (t2815)
MP2 (t2880)
MP3 (t1440)
CO (t1085)
Hero (Button) (t3805)
SB (t1660)

Hero's M: 31.71

Preflop: Hero is Button with 10, K
6 folds, Hero bets t160, SB calls t120, 1 fold

Flop: (t400) 3, 10, K (2 players)
SB checks, Hero bets t160, SB raises to t400, Hero raises to t1200, SB raises to t1500 (All-In), Hero calls t300

Turn: (t3400) J (2 players, 1 all-in)

River: (t3400) K (2 players, 1 all-in)

Total pot: t3400

Results:
Hero had 10, K (full house, Kings over tens).
SB had 3, 3 (full house, threes over Kings).
Outcome: Hero won t3400