Turkey Burgers with Pomegranate Molasses

Name: Turkey Burgers with Pomegranate Molasses
Ingredients: One 16-ounce can pomegranate juice; 1/4 Cup raspberry jam; 2 1/2 Teaspoons sugar; 1 3/4 Teaspoon lemon juice; 3 Tablespoons mayonnaise; 2 Tablespoons sour cream; 2 Teaspoons crushed rosemary leaves; 1 1/4 Teaspoon ground cumin; 1 Teaspoon white or black pepper; 1/2 Teaspoon salt; 1 Pound ground turkey; 1/2 Cup finely chopped onion; One 10.2-ounce can buttermilk biscuits, such as Pillsbury Grands! Homestyle refrigerated buttermilk biscuits; 5 leaves bibb lettuce