That info a bit more accurate. :)
The 1524 cargo capacity will be reduced by anything added to the truck, and at least 1,000 lbs tongue wt, plus wt of WDH. So say 2 passengers plus dog 300 lbs and 200 lbs gear and other. You have now reached your GVWR of truck.
The RAWR is important and shows 3,800 lb capacity. If your truck full of fuel, passengers, gear, etc, has a scaled rear axle wt of say (guessing) 2,600 lbs, you would only be able to add 1,200 more, before going over RAWR.
So...while your truck has the power to tow much more weight, you are at the very limit of carrying/payload capacity with that trailer.
That will not be the best experience for a beginner, towing to the max or maybe even a bit over your max capacity. Don't forget to check the actual sticker attached to the receiver hitch! It may read max with WDH 1,000 lbs, which you may exceed a bit.
Will your truck break, wheels fall off, if a bit over?? Probably not, and there is always someone even more overloaded, and it works for them.
Hope you understand, why the numbers don't always work, for all types of trailers. Lots more things to consider, than it will pull XXXXX lbs. :)
You will want to air tires on truck to near max pressure on rear, when towing that heavy, and likely 40 or so lbs in front tires. Your sticker shows 35 psi.
Hope you get it worked out, and can enjoy a fun camping, and towing experience.:)
Jerry