Hey, we are all n00bs at one time or another...
You have PLENTY of truck....not a 'n00b' move there..
Make sure your AS is properly 'set up' to tow... Many dealers do a sufficient job.. some don't.. some do very well. But, it's your AS... make sure it is right.
Learn all the details... see if you can camp nearby for a 'shakedown'... etc.. There is a TON to learn.. I learn something new every day about our AS... and AS in general... and RV life... Lots of folks sharing their experiences here.. specific to the AS... so, you will get an experience from the folks here which will vary from time to time from what you may have seen in the fancy brochures... but, nothing to be a-fearin....
Welcome aboard! oh, BTW.... pics, man, pics!!!
Peace and Blessings..