Villain is 41/20 real aggro. Attempted blocking bet on river.

PokerStars No-Limit Hold'em, $1.00 BB (5 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

MP ($138.40)
Button ($60)
SB ($60.35)
Hero ($99)
UTG ($14.75)

Preflop: Hero is BB with 9, 8.
1 fold, MP raises to $4, 2 folds, Hero calls $3.

Flop: ($8.50) T, Q, J (2 players)
Hero checks, MP bets $4, Hero calls $4.

Turn: ($16.50) 8 (2 players)
Hero checks, MP bets $8, Hero calls $8.

River: ($32.50) 4 (2 players)
Hero bets $15, MP raises to $122.4, Hero ????