10/25 tough river spot with JJ

[Allinlife]

villain is Boy from UB, I haven't played too much vs him but he seems to be one of the better regs, picking his spots to be aggressive in etc. 25/20/2.5ish stats. I haven't gotten too out of line on this table nor have I been tangling much.
Ultimate Bet No-Limit Hold'em, $25 BB (5 handed) by Hand Converter CG

saw flop|<font color="#C00000">saw showdown</font>

BB ($2949.50)
UTG ($2500)
Hero ($5405)
Button ($3640.50)
SB ($3266)

Preflop: Hero is MP with J[img]/images/graemlins/heart.gif[/img], J[img]/images/graemlins/club.gif[/img].
UTG folds, <font color="#CC3333">Hero raises to $75</font>, Button calls $75, SB folds, BB folds.

Flop: ($185) 3[img]/images/graemlins/spade.gif[/img], 9[img]/images/graemlins/heart.gif[/img], 8[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets $130</font>, <font color="#CC3333">Button raises to $300</font>, Hero calls $170.

Turn: ($785) 8[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
Hero checks, <font color="#CC3333">Button bets $600</font>, Hero calls $600.

River: ($1985) A[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
Hero checks, <font color="#CC3333">Button bets $1400</font>, Hero...