Liz,
My heart goes out to you as you live through these difficult days.
There is a custom to "say" the chapter of Psalms corresponding to the next year of a person's age. If some one is 5 years old, read chapter 6,etc. Some people do this on a daily basis. I don't understand why, but I know that the Book of Psalms is particularly effective in praying in times of trouble, for expressing gratitude and on many special occasions, both good and unpleasant. It is also good to give charity. This can be any amount, even the smallest coin can be set aside.
I hope that these ideas give you comfort.