Green Goddess Salad with Chicken & Herbed Avocado Dressing, Green Goddess

romaine lettuce, avocado green goddess dressing (sour cream [cultured milk, cream, nonfat milk powder, gelatin, soybean oil and/or canola oil, dehydrated onion, white vinegar, salt, granulated garlic, water, parsley, egg yolk, dijon mustard [distilled vinegar, water, mustard seed, salt, white wine, sugar, spices, turmeric, white wine vinegar, sugar, contains less than 2% of: anchovy paste [anchovies in salt, olive oil, acetic acid, garlic, lemon juice concentrate, salt, dehydrated tarragon, xanthan gum, oven roasted chicken breast meat with rib meat (chicken breast meat with rib meat, water, less than 2% rice starch, lemon juice concentrate, vinegar, salt, sugar, yeast extract, chow mein noodles (enriched wheat flour [flour, niacin, reduced iron, thiamine mononitrate, riboflavin, folic acid, soybean oil, barley flour, water, salt