Where can I find soup dumplings in San Francisco?

Before moving from NY, I had my first ever soup dumpling. Many people do not know what these are, and as a result I am having a hard time finding them here. They are basically regular dumplings, but there’s soup inside of them. You have to puncture the dumpling with a chopstick or fork, let the soup drain into the spoon, drink the soup then eat the dumpling. They are also sometimes called “xiao long bao” in Chinese, I believe. I cannot seem to find anyone here who knows where to get them. I have searched online but to no avail. Any suggestions?