Overpair facing river push

[derosnec]

villain is 14/5 after 550 hands

my image is loose-ish

reviewing his hands in pt, he hasn't played any hands like this

PokerStars No-Limit Hold'em, $0.25 BB (5 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

SB ($25.30)
BB ($17.15)
Hero ($54.55)
MP ($24.65)
Button ($25.30)

Preflop: Hero is UTG with A[img]/images/graemlins/club.gif[/img], A[img]/images/graemlins/heart.gif[/img].
<font color="#CC3333">Hero raises to $1</font>, <font color="#666666">1 fold</font>, Button calls $1, SB calls $0.90, <font color="#666666">1 fold</font>.

Flop: ($3.25) 4[img]/images/graemlins/diamond.gif[/img], 6[img]/images/graemlins/club.gif[/img], 7[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(3 players)</font>
SB checks, <font color="#CC3333">Hero bets $2.3</font>, Button calls $2.30, SB folds.

Turn: ($7.85) 9[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets $3.5</font>, Button calls $3.50.

River: ($14.85) T[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
Hero checks, <font color="#CC3333">Button bets $18.5 (All-In)</font>

[barryc83]

Fold. [censored] paying off nits.

[SnappyJoe]

Bet more on the flop, bet more on the turn, fold the river.

A tight player like that calling you preflop smells like suited connectors or small pocketpairs, I see so many hands that would potentitially beat you. You only have AA and you are most likely up against a set, a flush or a straight.