Melt butter in skillet over medium low heat.
Whisk flour into butter until smooth.
Gradually add milk, whisking as you add. Stir in salt.
Whisk in wine and raise heat to medium until mixture starts to bubble.
Reduce heat to low and simmer for about 5 minutes, stirring constantly.
Stir in 1 cup of cheese until melted.
Fold in crab meat, trying not to break up lumps too much.
Pour mixture into a small baking dish and top with remaining cheese and paprika.
Bake at 350° for 12-15 minutes, or until bubbling.