I usually pronounce
Helena as ha-LEE-na, but most say HEL-e-na. I personally prefer ha-LEE-na because it sounds prettier
I like the combination
Helena Caroline.
Ruth is difficult for me to pronounce. It's also common and boring, so I don't care for it. I'd go with a family name that you like.
"Dance like no one's watching."
This is a favorite quote of mine