Any spinner in size #0 or #1, red or fluro green works well. Cast mostly across stream and let the current do the work of turning the blade. As the current moves the spinner across and downstream
keep close to the bottom. Most of your strikes will come when the spinner movement changes, swing gets faster or spinner starts to rise. I order kits from several places and make my own spinners.
Mostly use the French blades. If fished right and slow the trout will hit hard and often.