Villain unknown. Comments on every street appreciated.

Party Poker
No Limit Holdem Ring game
Blinds: $0.50/$1
6 players
Converter

Stack sizes:
UTG: $61.70
UTG+1: $92.93
CO: $245.46
Hero: $130.80
SB: $106.34
BB: $99

Pre-flop: (6 players) Hero is Button with 7 8
UTG calls, UTG+1 folds, CO calls, Hero calls, SB calls, BB checks.

Flop: 6 5 2 ($5, 5 players)
SB checks, BB bets $3, UTG calls, CO folds, Hero calls, SB calls.

Turn: 7 ($17, 4 players)
SB checks, BB bets $10, UTG folds, Hero calls, SB folds.

River: Q ($37, 2 players)
BB checks, Hero bets $23, BB folds.
Uncalled bets: $23 returned to Hero.

Results:
Final pot: $37

What would you change if you knew Villain was 13/4 and passive (small sample)?