First - DO NOT apply on-line! The on-line system is set up to AUTOMATICALLY process as a Disabiltiy Compensation associated with a service related injury. You will be months into the process before you figure out they incorrectly processed for the wrong benefit.
Take the average of what the monthly cost will be for his care and no, the Meals On Wheels is not a countable expense.
Look at this link to see what to claim.
www.vetassist.org/eligibility.htm