I'm going to say that your toy hauler itself is over your limit. My neighbor across the street has a 24' and carries 2-3 dirt bikes and it was too much for his 1500 Ram.
I have a 30' travel trailer that weighs in around 5500-6000lbs loaded. By loaded I mean clothes, food, general supplies. If you need to carry water that adds a few hundred pounds. Not to mention gas for your quads, tools, gear. My trailer and truck together reaches my gross of 12,500 and my trailer is an ultra-lite.
To tow that much weight you'll also need a weight distribution hitch preferably with an anti-sway set up included ie...The Equalizer hitch.
http://www.equalizerhitch.com/
On the 2001 1500 the MOST it's rated to tow is 7950lbs. I'm sure the '96 is rated the same if not lower. And that's only if you have a 4x2 reg cab. The numbers go down from there. The chart is here
http://dodgeram.info/2001/towing-charts.html#1500
Just because you can move it doesn't mean it's safe. I've done my homework when it comes to towing. I wanted to make sure that my set-up is safe for the sake of my family and every other family out there, PLEASE do the same.
Now I'm assuming by your post that your not used to towing something that big or heavy, that's why I posted all this.
If you give us the numbers we'll be able to help you figure this thing out.
BTW...If a salesman said that your truck can pull this, chances are that he lied to you. Most of them do. I was told that my truck could pull a 7500lb (dry) 5th wheel. I laughed at the guy and told him that he was nuts. I know what my limits are. I belong to an RV forum that's bigger than DT. I see these stories all day long and the answers are always the same. If your new to towing you need to read this...
http://www.trucktrend.com/features/consumer/163_0812_towing_tips_and_lessons/index.html
The bottom line is...
How much does your TH weigh dry & gross?
Your tow limit is no more than 7950lbs for a total of 12,500lbs gross. (that's truck AND trailer)
Your truck weighs around 6500lbs.
How much do your quads weigh?
If you doubt ANYTHING I'm saying post this over in the towing forum and see what the rest of the guys who tow say.