party 2/4 full. turned straight from bb

[spahk]

i somehow ended up on the river with no idea where i was at. literally first hand at the table and first time seeing this villain, so i have no read. i start with exactly $400. villain has me covered by a few dollars.

Party Poker (9 handed) converter

Preflop: Hero is BB with 9[img]/images/graemlins/spade.gif[/img], A[img]/images/graemlins/heart.gif[/img].
UTG calls, 1 fold, villain calls, 4 folds, SB calls, Hero checks.

Flop: T[img]/images/graemlins/club.gif[/img], 8[img]/images/graemlins/heart.gif[/img], J[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(4 players)</font>
SB checks, Hero checks, UTG checks, Villain bets 8. SB calls 8, Hero calls 8, UTG folds.

Turn: 7[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(3 players)</font>
SB checks, Hero bets 30, Villain calls, SB folds.

River: 3[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
Hero checks, Villain bets 100...

i cannot be ahead here, right? i must be chopping at best? i tried to announce my hand on the turn. villain thought a bit, then called. he has Q9? KQ hearts? I am paranoid? someone help me out, please. all responses appreciated.