Tomato Bruschetta with Bacon and Blue Cheese

Name: Tomato Bruschetta with Bacon and Blue Cheese
Ingredients: 4 slices bacon; 1 pint grape tomatoes , quartered; 1 teaspoon table salt , divided; 1/4 teaspoon sugar; 7 tablespoons extra virgin olive oil; 1 tablespoon red wine vinegar; 1/2 teaspoon black pepper , divided; 1 loaf ciabatta bread, ends discarded, sliced crosswise into 12 (1/2-inch-thick) pieces; 1 garlic clove , peeled and halved; 1 cup whole-milk ricotta cheese; 2 ounces blue cheese (1/2 cup); 3 tablespoons minced fresh chives