IMO, the trailer is as much a part of the equation as the capability of the tow vehicle.
The positioning of the boat, the tongue weight, and most importantly the efficiency of the trailer brakes, all play their part.
I don't know what your trailer has, but electric/hydraulic brakes where an electric brake controller in the truck operates an electrically driven hydraulic pump on the trailer to activate conventional hydraulic disc brakes, just has to be experienced to appreciate the feeling of security it gives you.
When the controller is correctly set, the trailer brakes work smoothly in tandem with those on the tow vehicle, whether you're in stop-go traffic, descending a steep hill, or making an emergency stop.
Something else that might be considered is the use of an equalizer or equalization hitch, which effectively transfers some of the trailer weight to the vehicle chassis.
However, that's probably a topic deserving a thread of its own! 😉