Chicken Avocado Caesar Salad Wrap

lbs boneless (, skinless chicken breasts, grilled then cooled 10 minutes and diced*)

Romaine lettuce ((you'll need about 2/3 of 1 head))

small avocadoes (, peeled and diced)

halved grape tomatoes

finely shredded or shaved parmesan cheese

burrito size whole wheat or white tortillas

fat-free plain Greek yogurt

light-mayonnaise

olive oil

anchovy fillets (, mashed finely to a paste (1 1/2 tsp paste))

fresh lemon juice

worchestershire sauce

dijon mustard

small garlic cloves (, pressed through a garlic crusher)

water (, or as needed)

Salt and freshly ground black pepper