Is this so wrong against an unknown? I just figured trips would raise at one point so I got that sick "he has KJ" feeling.

Texas Hold'em $1-$1 NL (Real Money), #1,873,283,842
Table Chapstylez's HE, 13 Feb 2007 8:19 PM ET

Seat 1: napolidoc1 ($130.25 in chips)
Seat 3: osman33388 ($100 in chips)
Seat 4: Shevol ($48.10 in chips)
Seat 5: bc_bud_69 ($105.70 in chips)
Seat 9: _MigP_ ($107.70 in chips)
Seat 10: Galapogos [A,J] ($122.60 in chips)

ANTES/BLINDS
bc_bud_69 posts blind ($0.50), _MigP_ posts blind ($1).

PRE-FLOP
Galapogos bets $4, napolidoc1 folds, osman33388 calls $4, Shevol folds, bc_bud_69 folds, _MigP_ folds.

FLOP [board cards K,J,J]
Galapogos bets $7, osman33388 calls $7.

TURN [board cards K,J,J,3]
Galapogos bets $18, osman33388 calls $18.

RIVER [board cards K,J,J,3,2]
Galapogos checks, osman33388 bets $25, Galapogos calls $25.

How weak am I to be worried about a flopped full-house?