2 pounds small Yukon Gold potatoes, peeled and cut into 1 inch dice
1 small red onion, finely chopped
1 garlic clove, minced
3/4 teaspoon salt, divided, plus more for final seasoning
2 Tablespoons fresh lemon juice
1/2 cup sour cream
1/4 cup
chipotle mayonnaise1/4 cup fresh basil
Freshly ground black pepper to taste