10/20 Underpair vs very agressive player

[JMa]

Three hands prior to my hand, this happened:
Party Poker No-Limit Hold'em, $ BB (4 handed) converter

SB ($2281)
BB ($2285.50)
UTG ($2049.50)
Hero ($2075)

Preflop: Hero is Button with A[img]/images/graemlins/spade.gif[/img], 2[img]/images/graemlins/heart.gif[/img]. SB posts a blind of $10.
<font color="#CC3333">UTG raises to $90</font>, <font color="#666666">2 folds</font>, BB calls $70.

Flop: ($190) 6[img]/images/graemlins/spade.gif[/img], 7[img]/images/graemlins/spade.gif[/img], 7[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
BB checks, <font color="#CC3333">UTG bets $200</font>, BB calls $200.

Turn: ($590) 4[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
BB checks, UTG moves in for $1800 BB calls $1759.50.

River: ($4300) Q[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>

Final Pot: $4300

UTG shows T9o and BB shows 9s8s.

I have been at the table maybe for one or two orbits. Last time villian raised first in from the button I reraised from SB and took it down preflop. Villain is UTG.

Party Poker No-Limit Hold'em, $ BB (5 handed) converter

UTG ($2271)
MP ($2000)
Button ($4107)
Hero ($2085)
BB ($2000)

Preflop: Hero is SB with 9[img]/images/graemlins/diamond.gif[/img], 9[img]/images/graemlins/heart.gif[/img]. Hero posts a blind of $10.
<font color="#666666">2 folds</font>, <font color="#CC3333">Button raises to $100</font>, <font color="#CC3333">Hero (poster) raises to $260</font>, <font color="#666666">1 fold</font>, Button calls $170.

Flop: ($560) 3[img]/images/graemlins/spade.gif[/img], T[img]/images/graemlins/diamond.gif[/img], 8[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
Hero bets $500, Villain moves in for $1300 more, Hero?