Hi Rose City,
I am new too. What works for me when I flare is:
scrambled eggs
homemade chicken soup
rye toast with peanut butter
jello
meal replacement shakes (I like one made by President's Choice in Canada)
apple sauce
I stay away from rice or small grains when I am flared because they can get caught in the intestines. I find soft foods and liquids are best.
And, yes, do try to drink as much as you can. Keep your electrolytes up with Gatorade or an equivalent sports drink. If they are too sweet, you can try Pedialyte which is made for children
I hope your flare goes away soon,
Beans