Standard laydown on worst possible river

[Vammakala]

PokerStars No-Limit Hold'em, $0.50 BB (5 handed) pokerhand.org hand converter

UTG ($49.50)
MP ($87.10)
Button ($21.75)
SB ($62.40)
Hero ($60.60)

Preflop: Hero is BB with T[img]/images/graemlins/heart.gif[/img], 9[img]/images/graemlins/club.gif[/img].
UTG calls $0.50, <font color="#666666">3 folds</font>, Hero checks.

Flop: ($1.25) 8[img]/images/graemlins/club.gif[/img], 9[img]/images/graemlins/diamond.gif[/img], J[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets $1</font>, UTG calls $1.

Turn: ($3.25) 7[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets $2.5</font>, UTG calls $2.50.

River: ($8.25) T[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
Hero checks, <font color="#CC3333">UTG bets $12.5</font>, Hero folds.

Final Pot: $20.75

This is standard, right? Villain entered game one orbit back. Hasn't been in any pots beyond limping and folding pf. There's only two hands that make sense for him to have I think, can you figure what they are?