DQ Grill & Chill 59 Washington Ave, North Haven, CT06473 DQ Grill & Chill is a large, clean, family-style chain restaurant. There are many booths for eating-in. The…More decor is simple and pleasant. The food is what one expects from an American chain: hot dogs, fries, burgers, various chicken options and salads. DQ Grill & Chill also offers a variety of its signature Blizzard dessert. DQ Grill & Chill also has take-out and drive-thru options.