Baby Back Ribs with Pomegranate Molasses

Name: Baby Back Ribs with Pomegranate Molasses
Ingredients: Dry Rub:; 2 whole racks baby back ribs (approximately, 5 lbs); 1 tbsp dried thyme; 2 tsps ground coriander; 1 ½ tbsps garlic powder; 1 ½ tbsps onion powder; 1 tsp cinnamon; 2 tsps Spanish paprika (pimentón); 2 tsps hot Hungarian paprika; 1 tsp black pepper; 1 tbsp salt; 1 ½ tbsps packed light brown sugar; BBQ Sauce:; 3 tbsps butter; 2 shallots, fine dice; 4 garlic cloves, minced; 1 ½ cups ketchup; ¾ cup water; ¼ cup red wine vinegar; 3 tbsps light brown sugar; 4 ½ tbsps pomegranate molasses; ½ tbsp lemon juice; ¾ tbsp Worcestershire sauce; ¾ tsp cayenne; 1 ½ tsps Dijon mustard