Can a 1997 Jeep Grand Cherokee Laredo be towed behind a camper?

If it has a manual trans... easily yes. If it has an automatic transmission, you will need to isolate the drivetrain from the transmission, or else you will burn out the seals & bushings. For 2 wheel drive vehicles, this means removing the driveshaft & installing a shipping plug in the rear of the tranny. For 4x4 trucks, you can usually accomplish this by placing the transfer case in neutral.