As previous mentioned, Blue Bank Resort is great with amazing views, accommodations and guides. Reelfoot is scenic, lots of cover, great people and awesome food. In mid May, the bonnet's, grass along with other vegetation will have grown to full greenery. I feel it will be difficult to catch crappie post spawn in good numbers and size. The Bluegill fishing will be a little early with full moon not until May 29th.
With this being said, my recommendation would be to bring the Ranger... stop short in the Benton, KY area and hire a guide for 1-2 days and then fish on your own for 2 days. The trolling crankbait pattern should be starting for post spawn crappie. Your guide demonstrate other techniques for catching post-spawn crappie such as single pole, spider rigging and long line pulling. They can also introduce you to using electronics, GPS topography, and GPS guided trolling motors. You will have a blast while fishing with your girl friend if she likes to fish.
The rates range from $250 - $400 per day depending on 4-6 hrs of fishing. Boat, Bait and tackle included.
Here are a couple links to guides on KY Lake near Benton, KY. that I'm familiar with... (*Sorry if I left anyone out... please post your guiding web address to this gentleman.)
https://www.crappie-gills-n-more.com/
Kick'n Bass - Kentucky Lake Fishing Guide
Don't wait around!!! Call and make a reservation now before the guides fill their calendar.
This post is not down playing Reelfoot Lake, just trying to ensure you a successful and fun trip down South!!!