No reads. Just sat down 4 hands ago or so. Just curious do you need a read to call here or need a read to fold here?

PokerStars No-Limit Hold'em, $1.00 BB (5 handed) - Poker-Stars Converter Tool from FlopTurnRiver.com

Hero (UTG) ($101.50)
MP ($316.25)
Button ($125.60)
SB ($122.45)
BB ($271.70)

Preflop: Hero is UTG with ,
Hero raises to $4, 1 fold, Button calls $4, 2 folds

Flop: ($9.50) , , (2 players)
Hero bets $6.50, Button calls $6.50

Turn: ($22.50) (2 players)
Hero bets $15, Button raises to $30, Hero calls $15

River: ($82.50) (2 players)
Hero checks, [color=#CC3333]Button bets $85.10 (All-In)