Early stage hand, FTP $24+$2

[MasterLJ]

Villain is running 26/10 with agg factor of 4.

I hated pre-flop, just flat calling OOP.

At first this hand looks super standard, but can I really beat anything on the river?

Full Tilt Poker Game #3659030752: $17,500 Guarantee (27408984), Table 72 - 50/100 - No Limit Hold'em - 14:58:14 ET - 2007/09/24
Seat 1: Cougars4444 (2,125)
Seat 2: Shinerbock83 (6,410)
Seat 3: tmm03 (4,355)
Seat 4: GeoGeoGeo (2,740)
Seat 5: admiralfats (2,535)
Seat 6: Sleeves444 (1,445)
Seat 7: LJJones (5,380)
Seat 8: wave64 (660)
Seat 9: WHEEL- A2345 (4,085)
LJJones posts the small blind of 50
wave64 posts the big blind of 100
The button is in seat #6
*** HOLE CARDS ***
Dealt to LJJones [Js Ad]
WHEEL- A2345 folds
Cougars4444 folds
Shinerbock83 raises to 300
tmm03 folds
GeoGeoGeo folds
admiralfats folds
Sleeves444 folds
LJJones has 15 seconds left to act
LJJones calls 250
wave64 folds
*** FLOP *** [2c Ah Kd]
LJJones checks
Shinerbock83 checks
*** TURN *** [2c Ah Kd] [7h]
LJJones bets 350
Shinerbock83 calls 350
*** RIVER *** [2c Ah Kd 7h] [Ac]
LJJones has 15 seconds left to act
LJJones bets 800
Shinerbock83 has 15 seconds left to act
Shinerbock83 raises to 2,500