No read. Reraise preflop? Lead turn? Lead river?

Party Poker No-Limit Hold'em, $1 Hero (10 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver Cards)

saw flop|saw showdown

Hero ($100)
UTG ($96.70)
UTG+1 ($151.05)
UTG+2 ($92.40)
MP1 ($92.83)
MP2 ($90.60)
MP3 ($226.26)
CO ($119.05)
Button ($39.70)
SB ($92.60)

Preflop: Hero is BB with , . SB posts a blind of $0.50.
7 folds, Button raises to $2, 1 fold, Hero calls $1.

Flop: ($4.50) , , (2 players)
Hero bets $4, Button calls $4.

Turn: ($12.50) (2 players)
Hero checks, Button bets $5, Hero calls $5.

River: ($22.50) (2 players)
Hero checks, Button bets $8, Hero calls $8.

Final Pot: $38.50