I don’t think ball powders behave themselves in reduced loadings.
Bullseye has been my go to powder for this work but have used others as well.
I’d stick with your red dot.
Scoop and tickle up if needed.
I have a habit of having my cases upside down in the holder then only tipping it up to pour powder in and then seat a bullet.
Pick up next case.
If in doubt or distracted tip it over and see if it’s empty.
It will be after that and then you know for sure.
No double charges here.