Instant Pot Lamb Haleem

Name: Instant Pot Lamb Haleem
Ingredients: ¾ cup assorted dals (such as chana dal, moong dal, masoor dal, and/or urad dal); ¼ cup white jasmine rice or other long-grain rice; ¼ cup pearl barley; 1½ lb. bone-in lamb stew meat; 3 tsp. kosher salt, divided, plus more; 1 6 piece fresh ginger; 3 medium shallots, thinly sliced; ⅓ cup ghee or vegetable oil; 4 garlic cloves, finely grated; 2 Tbsp. plus 1½ tsp. garam masala; 1 tsp. (or more) cayenne pepper; 1 tsp. ground turmeric; 3 green Thai chiles, stems removed (optional); ½ cup (lightly packed) chopped cilantro, plus more for serving; ½ white onion, finely chopped; 2 limes, cut into wedges