With no sway and plenty of power are you having an issue or just asking if towing characteristics change when going from 4x2 to 4x4? Differences in suspension and height change towing dynamics dramatically even with a quality WD/SC hitch. If towing comfort is relatively the same and you have no sway it may just take time getting used to.
We have always towed with 4x4 TVs and find the comfort level very appealing, no doubt if I went to a 4x2 I would probably feel subtle differences by comparison. If still not happy you can go through the steps weighing and re-calibrating your set-up to achieve results you can accept. Hope you get it to where you feel the same confidence as your prior set-up.