One question for you. Is the bottom of your furrow sloping or is it flat. It should be flat. You have two major adjustments on your tractor, the top link and the RH lift arm length. An old timer's trick is to get a block of wood or concrete or something that will raise the left rear wheel ( the one that is NOT in the furrow) to the depth you want in your furrow. If you want a 6" deep furrow use a 6" block. Better yet put blocks under both the front and rear left side tires. That way you are duplicating the tractor's position when plowing.
Now adjust your plow so that it is level on the ground from front to back and side to side; using the top link and the RH lift arm adjustment. Try to have just a tiny bit of downward tilt on the front plow point so it will dig in when pulling, does not take much. The side to side adjustment should have the bottom of the plow sitting flat on the ground all the way around. Notice that on your plow you have an offset on the RH pin which achieves most of the side to side adjustment, but you still may have to tweak things a bit. Do that and I think you will be happy with your results. You will still have to manually move your lift lever while plowing to see the plow from going too deep. But this should make that part easier.
Your soil sure beats the red clay we have here!! Good luck. W. Jones