$11: How do you play this on the river?

[GtrHtr]

Very first hand of a PP $11, Hero is in the BB:

Level:1 Blinds(10/15) Table Table 11070 (Real Money)
Seat 8 is the button
Total number of players : 10
Seat 10: Hero ( $800 )
Seat 7: k833 ( $800 )
Seat 2: py101 ( $800 )
Seat 9: Bill54 ( $800 )
Seat 6: boo ( $800 )
Seat 8: Deacon23 ( $800 )
Seat 1: ddk8 ( $800 )
Seat 5: KJKJ1 ( $800 )
Seat 3: todds ( $800 )
Seat 4: lit222 ( $800 )
Trny:15738014 Level:1
Blinds(10/15)
** Dealing down cards **
Dealt to Hero [ 7c 7s ]
ddk8 folds.
py101 folds.
todds calls [15].
lit222 calls [15].
KJKJ1 folds.
boo calls [15].
k833 calls [15].
Deacon23 folds.
Bill54 calls [5].
Hero checks.
** Dealing Flop ** [ Js, 2s, Jd ]
Bill54 checks.
Hero checks.
toddsfatboy checks.
lit222 checks.
boo checks.
k833 checks.
** Dealing Turn ** [ 4h ]
Bill54 checks.
Hero checks.
todds checks.
lit222 checks.
hazy checks.
k833 checks.
** Dealing River ** [ Jc ]
Bill54 checks.
Hero checks.
todds checks.
lit222 checks.
hazy bets [80].
k833 calls [80].
Bill54 folds.
Hero?