Goodness I’m so sorry to hear about the threat on the bus- that sounds scary! I’m glad you got home safe and sound 
Yes, you can absolutely charge under the Full Sturgeon Moon (and the moon ritual for the Sturgeon Moon is for dissolving negative energies- you might be interested!) 
It sounds like you are doing a lot of exploration with protective work- I hope you can find many spells, rituals, and methods that you enjoy, Danni!
Crystal grids are very popular- I’m not an expert myself, but there are plenty of discussions about crystal grids in the forum that can help you!
I know @Christina4 is a master, and she shared this very helpful post that can help you get started:
Good luck and blessed be, Danni! 