Few things.
Lubrication. Use a quality lube like break free CLP, Rand CLP or frog lube. This is not the time for WD40 or remoil.
Use quality self defense ammo like Hornady critical defense. Cheap ammo jambs in small lightweight guns.
Grip the gun tightly and lean into it. Don't limp wrist it or lightly grip it. The gun has to have something solid to recoil and reciprocate against.
Those are the biggies. If they don't work you might consider it's something mechanical and in that case Ruger will make it right.