Litehouse, a maker of refrigerated salad dressings, has entered into an agreement to acquire Sky Valley Foods, a producer of organic shelf-stable dressings, condiments and sauces for $46 million. With the acquisition, Litehouse said it planned to grow its portfolio with centre-store, clean and organic products, and increase capacity, with the creation of 160 jobs over the next five years, and expand its presence on the East Coast. Litehouse will …