Pat chicken thighs dry and coat with olive oil and BBQ rub on both sides.
Grill at 375-400°F direct heat for 5-6 minutes per side until internal temp reaches 170-175°F. Rest for 5 minutes.
Combine BBQ sauce, chopped chipotle peppers, adobo sauce, and honey to make the chipotle BBQ sauce.
Rough chop the rested chicken into bite-sized pieces and toss in the chipotle BBQ sauce until evenly coated.
Mix ranch dressing, chopped chipotle pepper, adobo sauce, chives, and lime juice for the chipotle ranch. Refrigerate until ready.
Slice Hawaiian rolls in half horizontally. Place bottom half in a foil pan. Optionally brush with butter and toast for 2-3 minutes.
Layer in order: mozzarella slices, chipotle BBQ chicken, shredded Colby Jack, diced bacon, drizzle of chipotle ranch, and chopped chives. Place top buns and brush with melted butter.
Cover with foil and bake at 350°F for 10 minutes. Remove foil and bake 3-5 more minutes until tops are golden and cheese is melted.
Rest 2-3 minutes, then cut into individual sliders. Serve with extra chipotle ranch on the side.