Hi Jack,
Reckon you’ll have no trouble.
We’ve towed ringo’s, kneeboards, wakeboards with all our 3.5 to 3.8m sibs over the years with no problems. Even ok with the Zodiacs, which have the flimsiest transoms known to man.
Pop on some u-bolts or eye bolts with large penny washers to spread the load, plus a tow bridle, and you’ll be good to go.