Hand converted with online PokerStrategy.com hand converter:
$0.1/$0.2 Fixed-Limit Hold'em (9 handed)
Preflop: Hero is BU with 7:d, 7:h.
2 folds, MP1 raises, MP2 calls, 2 folds, Hero calls, 2 folds.
Flop: (7.5 SB) 5:h, 4:d, 6:c (3 players)
MP1 bets, MP2 calls, Hero raises, MP1 3-Bets, MP2 calls, Hero calls.
Turn: (8.25 BB) K:h (3 players)
MP1 bets, MP2 folds, Hero calls.
River: (10.25 BB) 9:s (2 players)
MP1 bets, Hero calls.
Final Pot: 12.25 BB.
As recommended, I bet once, calling any raises with an OESD + overpair. I still have the OESD on the turn, so I call again, and then on the river, with only 1 opponent I call the river bet with my pair.