2016 TRD Sport towing options?

I posted this same general question in the "towing" section, but, thought I'd post it here as well.
I plan on towing a 17' travel trailer(Jayco Hummingbird w/ the Baja package) and I'm "thinking" I may need to upgrade my rear suspension or maybe more to the point ...I want to upgrade my suspension for off roading and pulling the trailer off road(the Baja package).
Sumosprings where mentioned and they look like a really good step in the right direction, but, I'd like to learn more about this and would like to know all my options.
Thanks folks

 

the hummingbird fully loaded weighs 3500lbs, it's a single axle trailer.

 

You should be able to pull up to 6500lbs with a stock 4x4 Access Cab.

 

Guys are pulling heavier travel trailers with their Tacoma. You will be fine.
Just get a brake controller and a weight distribution hitch.