Thoughts? Just sat down. Sorry, no reads. I thought it was +EV so I called. Easy fold?

PokerStars No-Limit Hold'em, $1.00 BB (9 handed) FTR converter on zerodivide.cx

MP1 ($224.05)
MP2 ($15.95)
MP3 ($39.50)
CO ($231.55)
Button ($32.40)
Hero ($100)
BB ($173.25)
UTG ($98.50)
UTG+1 ($53.80)

Preflop: Hero is SB with T, T.
2 folds, MP1 calls $1, 1 fold, MP3 raises to $3, 2 folds, Hero calls $2.50, BB calls $2, MP1 calls $2.

Flop: ($12) 9, 3, 9 (4 players)
Hero bets $8, BB folds, MP1 folds, MP3 calls $8.

Turn: ($28) K (2 players)
Hero checks, MP3 checks.

River: ($28) 7 (2 players)
Hero checks, MP3 bets $28.5 (All-In), Hero calls $28.50.

Final Pot: $85