He's 25/18 with a 30% ATSB and he cbets too much.

$2.5/$5 No Limit Holdem
5 players
Converted at weaktight.com

Stacks:
UTG ($426.79)
CO ($353.31)
BTN ($490.00)
SB ($532.05)
Hero ($577.00)

Pre-flop: ($7.50, 5 players) Hero is BB
3 folds, SB raises to $15, Hero calls $10

Flop: ($30, 2 players)
SB bets $22.50, $22.5 to Hero ($562)?