Here I read him as drawing a straight (He wasn't as it turns out).
An odd hand but a bit typical of the way I have been losing money lately.
0.05/0.10 Fixed-Limit Hold'em (10 handed)
Hand recorder used for this poker hand: Texas Grabem 1.9 by www.pokerstrategy.com.
Preflop: Hero is BB with 9♠, 3♦
4 folds, MP2 calls, 4 folds, Hero checks.
Flop: (2.40 SB) 6♦, 9♥, 7♥ (2 players)
Hero bets, MP2 raises, Hero calls.
Turn: (3.20 BB) K♦ (2 players)
Hero bets, MP2 raises, Hero calls.
River: (7.20 BB) A♦ (2 players)
Hero bets, MP2 raises, Hero calls.
Final Pot: 11.20 BB