Bramic71- you should find out your specific towing capacity and payload capacity. It can be found on the Ram website, where you enter your VIN and it will give you your exact capacities. One thing to know, is it will be almost impossible to tow a trailer near the max tow capacity rating, because your payload will be "eaten up" by the tongue/hitch weight, much sooner. Everything in the truck contributes to payload, so your weight,the weight of spouse/family, any cargo/luggage/coolers/etc in the truck or truck bed are part of payload, so as you can see, your payload can be used up very quickly before you even add the tongue weight. I see you have a topper in your avatar, that is part of payload too.
Example:
Canopy 175 lb
Driver 150 lb
Spouse 150lb
Kiddos 150lb
Tools/misc stuff kept in truck 50lbs
Hitch setup 40 lb
715 lbs total payload (no luggage, firewood, bikes, generator, cooler, etc in bed of truck...)
You may only have 865 lb of payload left, if you're like me and you have some of the stuff mentioned above, in the bed of the truck, it is probably another 300lbs and that would leave you with only 565 lbs of payload left for tongue weight of your trailer.
Per
capacity chart:
2016 Ram 1500 4x4 Hemi V8, 8 spd auto, 3.21, Quad Cab
1580 lb Payload capacity
8050 lb Towing capacity
GAWR front 3900 lb
GAWR rear 3900 lb
Remember RV manufacturer unloaded weights/hitch weight can be off by quite a bit, and may not account for battery, propane tanks and other "options". You do want to have at least 10% of the trailer weight on the tongue or otherwise you will get trailer sway, 12%-15% is best.
EDIT: I noticed the trailer you posted is a toy hauler, so if you have something loaded in the "garage", it should take some of the weight off the tongue, which will help keep tongue weight down.