I've been in your shoes, and I definitely get where you're coming from. Switching from physical to online casinos can be a bit of a task. Having tried a good number of online casinos myself, I have two favorites for playing craps online:

BetUS Casino, in my opinion, takes the top spot. It has all the common bet variations you're looking for, a smooth interface, and plenty of other games to try. The cherry on top has to be their live dealer option. Their live dealer craps is hands down the best online craps experience I've ever had. They welcome you with a bonus of $3000 if you deposit at least $50. Slots.lv Casino is my backup recommendation. They too offer a great range of bet variations and a library of other games. Their user interface is very intuitive, which is a big plus if you're just transitioning into online gambling. While their live dealer doesn't quite hit the same spot as BetUS's, it's still a solid experience and a fun time overall. Their welcome pack is bigger tho, $5000.

For both casinos - they offer 24/7 support, fast withdrawals. I've withdrawn my winnings numerous times from both and can vouch for them.