Need a little encouragement and insight

Kr

My LO is starting to get what I guess is a cold as her older sister has recently had one. I haven’t breastfed in about 2 months but my milk hasn’t dried up completely. Would it be a good time to try and restart the breastfeeding process as I feel now more then ever the nutrition and vitamins of breast milk could benefit her the most. Any mommas ever stop breastfeeding and end up going back to it? I’ve been thinking about it a lot here lately as formula is so pricey as she’s starting to eat a ton more but I don’t know if I’d successfully relactate.