he will use it like his normal eyes as he will have no idea how to use them
Obito would be shocked that his attempt to retrieve nagato's body has been a fool's errand
no gedo mazo
no juubi
no madara(alive)
or obito would successfully steal those eyes and everything else will happen according to the chapters
I honestly dont think the rinnegan suits narutos fighting style, to me rinnegan is more sasukes thing since he has the visual prowess and learns new techs no prob but naruto would have a hard time understanding how to use rinnegan techs especially since hes never used eye techs and hes not exactly the type to just figure things out on his own