your husband can never be a dependent. with no dependents you can not file as head of household
see this IRS guide
https://www.irs.gov/newsroom/international-taxpayers-filing-status-if-married-to-a-nonresident-alien...
In order to qualify for head of household status, you must have paid more than 1/2 the cost of keeping up your home for the year. In addition, a qualifying person (first reason HOH can't be used is as stated your husband is not a qualifying person) must have lived in your home for more than 1/2 the year (second reason HOH can't be used is that your husband was only present at most for 5 months).
your choices are married filing separately or married filing jointly.
joint requires you to include his income for the entire year in the return. you would also need to get a TIN for him if he doesn't already have one.
