Whats the river play?

[WellThatsFine]

Full Tilt Poker Game #2688300931: Midnight Madness! (20021397), Table 89 - 100/200 - No Limit Hold'em
Seat 1: Hero (15,487)
Seat 2: $$$$ (8,440)
Seat 3: #$### (4,950)
Seat 4: #### (2,055)
Seat 5: #### (3,390)
Seat 6: Villain (10,955)
Seat 7: @@@@@ (3,310)
Seat 8: @@@@@ (4,299)
Seat 9: @@@@ (4,030)
Hero posts the small blind of 100
@@@@@ posts the big blind of 200
The button is in seat #9
*** HOLE CARDS ***
Dealt to Hero [9d 9c]
***** calls 200
**** folds
*** folds
Villain calls 200
***** folds
***** folds
***** folds
Hero calls 100
**** checks
*** FLOP *** [8h 2d 4d]
Hero bets 800
***** folds
***** folds
Villain has 15 seconds left to act
Villain calls 800
*** TURN *** [8h 2d 4d] [8c]
Hero bets 1,400
Villain has 15 seconds left to act
Villain calls 1,400
*** RIVER *** [8h 2d 4d 8c] [As]
Hero