At least you know he's alive. Yeah, just go up a wattage and you'll get more heat, or you could buy a heat mat but you'll also need a thermostat to keep it within the suitable temperature, as you cannot determine heat by wattage. Although this may be inconvenient if you've already got a light dome, heat mats will not need replaced as frequently as bulbs and cheaper to run. Babies should ideally be fed everyday and every other day at the least, as they need a lot of food and calcium for their growth, however I'd imagine they could go longer without but would have effects on the growth and health if not corrected soon. Don't leave crickets in 1. they may bite on resting animals 2. they will groom the supplements off. Try tong feeding and make sure prey items are big enough to be of interest. It's common for frogs to go off food when first acquired but they will feed normal in a week or so