I have electric brakes with a Prodigy 2 controller. To be honest, it is no fun at all to tow. The Jeep has the power to get off from a stop no problem, but on the highway the thing is like towing a parachute. It keeps dropping to 3rd to maintain speed on the slightest grade (65). It pulls you around when semis pass. It feels like it weighs twice what it scales. I also tow a boat that weighs several hundred pounds more and the experience is much, much better. These trailers are just not meant for small vehicles IMO.
The one you are looking at has a vee nose and maybe that will be better. But I really think it is just too much trailer for the JKU.