Was showing a refund until entered alimony income. Isn't alimony not taxable income? I am still in the divorce process do file "married filing separately" ?

Unlike child support payments, alimony income has always been taxable income to the recipient. See Tax Topic 452 at https://www.irs.gov/taxtopics/tc452

It depends.

 Alimony received from a former spouse is taxable income as long the divorce or separation agreement was executed by December 31, 2018.

Alimony payments resulting from agreements executed after that date can no longer be deducted or are taxable income  due to the Tax Cuts and Jobs Act (TCJA) that Congress signed into law on December 22, 2017. The same holds true for agreements modified after 2018 if the new version specifically states that the TCJA treatment of nondeductible alimony payments now applies.