Do you want only 1 TS Credit Restaurants?
If so, at the Boardwalk there is ESPN for a typical sports bar food and atmosphere. They do not accept ADRs for dinner. You have Trattoria al Forno for Italian, where you can make an ADR. ANd the Big River Grille, a brew pub, which takes reservations on their own web site.
You also have the newly finished Ale and Compass at the Yacht Club and Cape May Cafe at the Beach Club. Cape May is themed after a clambake and is a buffet. There are also plenty of things for non seafood eaters. Finally there is Beaches and Cream a very small soda shoppe themed restaurant.
We have been to all except the Ale and Compass and would return to any of them