Smoky Chicken and Avocado Kale Salad

Name: Smoky Chicken and Avocado Kale Salad
Ingredients: 1 chipotle chile in adobo, finely chopped, plus 4 Tbsp. adobo sauce; 1 tsp. honey; 2 Tbsp. extra-virgin olive oil, plus more for drizzling; 1½ tsp. ground cumin, plus more; 1½ tsp. Diamond Crystal or ¾ tsp. Morton kosher salt, plus more; 3 small limes, halved, divided; 4 skinless, boneless chicken breasts; 1 large red onion, halved, cut through root end into 1½-thick strips; ¼ cup raw pumpkin seeds (pepitas); 1 bunch kale, ribs and stems removed, leaves thinly sliced; 2 avocados, divided; Flaky sea salt