We Both Got Outplayed

I took a sort of goofy line here turning my hand into a bluff, or so I thought. He “caught” my bluff but….

PokerStars No-Limit Hold’em, $20.00 BB (9 handed) – Poker-Stars Converter Tool from FlopTurnRiver.com

Hero (Button) ($2000)
SB ($1669)
BB ($3229)
UTG ($2000)
UTG+1 ($3617)
MP1 ($2000)
MP2 ($9484)
MP3 ($2000)
CO ($2040)

Preflop: Hero is Button with J, 8
2 folds, MP1 bets $40, 3 folds, Hero calls $40, 2 folds

Flop: ($110) 2, 9, 8 (2 players)
MP1 bets $80, Hero raises to $160, MP1 calls $80

Turn: ($430) 6 (2 players)
MP1 checks, Hero bets $300, MP1 calls $300

River: ($1030) Q (2 players)
MP1 checks, Hero bets $777, MP1 calls $777

Total pot: $2584 | Rake: $3

Results:
Hero had J, 8 (one pair, eights).
MP1 mucked 6, 7 (one pair, sixes).
Outcome: Hero won $2581