Hands like these

***** Hand History for Game 3077427328 *****
$100 NL Texas Hold'em - Tuesday, November 22, 14:56:03 EDT 2005
Table Table 69820 (Real Money)
Seat 6 is the button
Total number of players : 10
Seat 2: Estrop ( $271.40 )
Seat 6: RIVERRAT012 ( $11.35 )
Seat 4: BigBullyBen ( $104 )
Seat 3: JRisinNY ( $34.20 )
Seat 5: MrJay5 ( $128.55 )
Seat 8: gables21 ( $119.35 )
Seat 10: ezsteve ( $122.50 )
Seat 9: jularbo_sr ( $65.95 )
Seat 7: michaelmouse ( $109.10 )
Seat 1: psychofiend ( $110.05 )
michaelmouse posts small blind [$0.50].
gables21 posts big blind [$1].
** Dealing down cards **
Dealt to Estrop [ 7c 7d ]
>You have options at Table 68786 Table!.
ezsteve calls [$1].
psychofiend folds.
Estrop calls [$1].
BigBullyBen folds.
MrJay5 folds.
RIVERRAT012 calls [$1].
michaelmouse calls [$0.50].
>You have options at Table 65009 Table!.
gables21 checks.
** Dealing Flop ** [ 7s, 3s, 5d ]
michaelmouse checks.
gables21 bets [$4].
ezsteve folds.
>You have options at Table 68786 Table!.
Estrop raises [$13].
RIVERRAT012 folds.
michaelmouse folds.
>You have options at Table 66063 Table!.
gables21 calls [$9].
** Dealing Turn ** [ 9d ]
>You have options at Table 68859 Table!.
>You have options at Table 68786 Table!.
gables21 bets [$15].
Estrop calls [$15].
** Dealing River ** [ 6c ]
>You have options at Table 65009 Table!.
>You have options at Table 65317 (No DP) Table!.
gables21 bets [$25].
>You have options at Table 65009 Table!.
Estrop calls [$25].
gables21 shows [ 6d, Jd ] a pair of sixes.
Estrop shows [ 7c, 7d ] three of a kind, sevens.
Estrop wins $108 from the main pot with three of a kind, sevens.


if I'm unsure and thinking of calling the river, is this an either fold or push situation?

I'd raise the turn strong and figure him for a draw- if I got action back I'd have trouble giving him credit for more than 2 pair. Is this a bad line?