In a small dish, combine spices. Mince onion (chopping by hand).
Empty 1 1/4 sleeves of crackers into a large zip-lock bag. Crush crackers finely until you have a uniform size. Add seasoning mixture & onions to the bag & toss well to incorporate.
Create a breading station for pork chops. One dish with flour, one with the beaten egg & one with the cracker crumb breading.
Dip one of the chops into the flour & flip it over a couple of times . Coat all sides of the pork chop well with a thin layer of flour. Dip the flour coated chop into the egg, coating all sides.
Lastly, dip coated chop into cracker crumb breading mixture. Press the crumb mixture onto the pork chop with your hand to ensure it is coated well. Lie breaded pork chop onto a platter. repeat this process for the rest of the pork chops.
Place breaded chops in the refrigerator for 10 minutes. This will help the batter adhere to the chops better.
Heat a griddle to a medium-low heat & spray griddle with cooking spray. Grill chops on both sides until cooked through & nicely browned. Serve with pork gravy if desired.