Loaded Beef Taco Salad with Creamy Lime Cilantro Dressing

olive oil

ground beef (I used 85% lean)

packet taco seasoning, divided (I use reduced sodium, medium heat), divided

water

romaine lettuce

or 2 medium tomatoes, diced (I used Roma, vine-ripened or cherry tomatoes may be substituted)

medium ripe Hass avocado, peeled and diced

Mexican shredded cheese blend

tortilla chips, crushed

corn (I used frozen, fresh may be substituted)

canned black beans, drained and rinsed

mayonnaise (lite okay)

sour cream (lite okay, plain Greek yogurt may be substituted)

to 4 tablespoons lime juice, or as necessary for flavor and consistency

fresh cilantro leaves, finely minced

granulated sugar, optional and to taste