Thank you for writing!
At 20, you should really know how the body works. A hand job or dry humping can't get anyone pregnant. it's a good idea to study on your own so you know how sex and the human body works. You can read books on this or search our own site. This will eliminate a lot of stress than the unknown can cause.
A woman cannot get pregnant unless she has unprotected sex (naked) with ejaculation. She would also have to be ovulating. Sperm will not travel through a layer of clothing to impregnate.
So a pregnancy cannot occur from what you did. Your period is likely delayed due to moving