...and I'm probably too loose

PokerStars Pot-Limit Hold'em, $0.50 BB (8 handed) Poker-Stars Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

saw flop|saw showdown

BB ($30)
UTG ($42.90)
UTG+1 ($6)
MP1 ($16.15)
MP2 ($33.95)
CO ($31.30)
Button ($47)
Hero ($64.80)

Preflop: Hero is SB with K, 7.
2 folds, MP1 calls $0.50, MP2 calls $0.50, 2 folds, Hero completes, BB checks.

Flop: ($2) 3, 3, 6 (4 players)
Hero bets $1.5, BB calls $1.50, MP1 folds, MP2 calls $1.50.

Turn: ($6.50) J (3 players)
Hero checks, BB checks, MP2 bets $2, Hero calls $2, BB calls $2.

River: ($12.50) A (3 players)
Hero checks, BB bets $0.5, MP2 calls $0.50, Hero raises to $10, BB calls $9.50, MP2 folds.

Final Pot: $33

Results in white below:
Hero has Kh 7h (one pair, threes).
BB doesn't show.
Outcome: Hero wins $33.