I want u to know up front I'm not from your area and was hoping someone from up that way would chime in. I grew up fishing for smallies in the Greenbrier and New rivers. Try modifying your original post and put the river name in the title.
Anyway river fishing this time of year is challenging, they warm up much slower than lakes ponds. Find slow moving water close to a flat where they will spawn, typically shelteredwater. By sheltered I mean from the current, I always had luck behind a series of islands that held still water. Since you're walking fish a fluke, fish it like u would a jerk bait. A slow moving grub is a good choice too, the females will be keyed in on crawfish, so jig or trig a rage tail craw. Good luck