Hey, over the past year I have taken part in 2 slightly different mindfulness courses. I found that being in a group situation with other people intending to help/improve their lives was a great comfort and in a sense made me feel not so alone. The first course I intended was aimed solely at people with Mental Health disorders, whereas the second one was open to everyone, from all walks of life. I found the second one a little more helpful, as it made me realise how everyone can have struggles in life, no matter what their situation. You may feel the same about the course that you are intending to take, as the focus away from the primary issue may help you to think about other aspects of your life/life as a whole.
I found the small suggestions of homework quite helpful, because it encouraged you to take the session away with you and allow yourself, in your own time, to make more sense of it and to apply it to your situation.
If you are thinking about it seriously, then it may be worth giving it a go. These things all work differently for each person. If you do decide to pursue it, I hope it helps you even just a little bit