Surrounded by River Rainbow Trout! How to Catch them on Rod & Reel?

We are fly fishing on the Taneycomo river for rainbow trout and brown trout using waders to get close to the fish. I'm using a spinning rod and reel with a float instead a fly rod to present some nymphs to these hungry trout that are feeding at our boots and surrounding us like a pack of tuna! GOOG...