100NL Post flop OOP with a marginal hand

[JCCARL]

Hero is new to the table, so no reads. Comments re. postflop play would be appreciated. Hero was OOP with a marginal hand. Are we ahead of Villain's range on the river?

PokerStars No-Limit Hold'em, $1.00 BB (9 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

Hero ($67.70)
MP3 ($63.15)
CO ($93)
Button ($182.90)
SB ($99)
BB ($49)
UTG ($59.75)
UTG+1 ($124.95)
MP1 ($123.90)

Preflop: Hero is MP2 with T, A.
3 folds</font>, Hero raises to $3.5</font>, MP3 calls $3.50, 1 fold</font>, Button calls $3.50, 2 folds</font>.

Flop: ($12) 2, T, J (3 players)</font>
Hero checks, MP3 checks, Button checks.

Turn: ($12) 2(3 players)</font>
Hero bets $7</font>, MP3 calls $7, Button folds.

River: ($26) 9 (2 players)</font>
Hero checks, MP3 bets $15</font>, Hero calls $15.

Final Pot: $56