Cucumber Avocado Salad

Name: Cucumber Avocado Salad
Ingredients: 1 Cucumber, large seedless English cucumber; 3 Avocado, ripe, pitted; 1/2 Cup Red Onion, 1/2 of a medium red onion; 8-10 Coins Jalapeno, pickled jalapeno; 1/4 Cup Cotija Cheese, or crumbled feta cheese; 1-2 Lettuce, romaine hearts; 1-2 tbsp Pumpkin Seeds, toasted pepita seeds, for serving, optional; 1 tbsp Oregano, or sweet basil, fresh leaves. More for garnish; 1/2 tsp Salt, adjust to taste; 1/3 Cup Sour Cream, or Mexican crema; 1.5 tbsp Lime, juice of 2 limes and zest of one, divided; 1 tbsp Olive Oil; 2 tbsp Cilantro, small chopped; 1/2 tsp Garlic, 1-2 small cloves, pressed or grated