Pat pork chops dry with paper towels.
Coat both sides with 2 tablespoons olive oil and sprinkle with dry rub.
Make the tzatziki sauce. Shred the cucumber using a box grater.
Squeeze the excess water out of the cucumbers over the sink and place into a bowl.
Add the minced garlic, lemon juice, yogurt, dill, salt, pepper and 1 1/2 teaspoons olive oil.
Mix together until well combined.
Cover and refrigerate until ready to serve.
Prepare a grill fire to 350° using hickory or pecan for smoke flavor.
Grill pork chops over indirect fire with the grill closed. Flip the pork chops after about 5 minutes and continue to cook another 10- 12 minutes until pork chops reach 145° internal temperature using a digital meat thermometer.
Remove pork chops from grill and rest 5 minutes before serving.
Spoon tzatziki sauce over pork chops and serve immediately.