I over play this or was it a bad beat? I was stealing and we got it HU with a decent flop for me (I think)

PokerStars 0.25/0.50 Omaha/8 (9 handed) converter

Preflop: Hero is SB with , , , .
7 folds, Hero raises, BB calls.

Flop: (4 SB) , , (2 players)
Hero bets, BB raises, Hero 3-bets, BB caps, Hero calls.

Turn: (6 BB) (2 players)
Hero bets, BB raises, Hero calls.

River: (10 BB) (2 players)
Hero checks, BB bets, Hero calls.

Final Pot: 12 BB

Results in white below:
Hero has Qh Kd 2h 5h (High: two pair, kings and fives).
BB has 6d Tc 6s 3s (Low: 6, 5, 3, 2, A | High: flush, ten high).
Outcome: BB wins 12 BB.

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