I wouldn't feed him just cause he's being snappy. Being snappy could be for a variety of reasons.
I would up the prey size however, I usually start baby boas on hoppers then move them over to rat fuzzies when they are big enough, one every 7-14 days and then as they eat larger, spread the feedings out more, very similar to what Sauzo is doing.
since snakes are opportunistic feeders, they will easily overeat to their own detriment.