Years ago, I discovered a method on this site for changing the rear brakes, which always results in the parking brake being set to approximately three clicks.
It was excessively elevated. The rear wheels do not engage the parking brake whatsoever. Continuously modify the star wheel adjuster within the drum till the rear wheel, with the shoes only in contact with the drum, rotates around 1 1/4 to 1 1/2 revolutions before coming to a halt. At this juncture, the parking brake typically requires approximately three clicks for optimal functionality, and I have never needed to modify it, provided the rear brake shoes are well maintained. Theoretically, I could neglect the parking brake setting, but I have never encountered a problem. Three clicks are acceptable; however, if six to nine clicks are effective, that is also satisfactory to me. I consistently utilise the parking brake.