Fly Fishing Techniques

I’m going to school in Buffalo New York and I hear the lower Niagara River is great for steelhead. I would really love to catch some but I’m new to steelhead fishing as well as the area. I found what seems to me to be a great spot for them. Its a very large area of fast moving water below the falls about half way down the river. I’ve got an 8ft pole with a spinning reel. I catch a lot of trout with it using 6lb test, small hooks, a little weight, and corn for bait.

How should I rig up and what should I use for bait to catch steelhead ?
Also, Is now a good time to catch them?