Ha - I figured you'd say pizz off! Mine is likely to become my wife's truck soon, but I would if I could.
Instead of guessing what gear you need or relying on the opinion of others, play around with tire/gear/mph or tire/gear/rpm calculators and see what gear suits you. Offhand, 4.88's sounded high. But I ran them through this calculator -
http://www.angelfire.com/fl/procrastination/rear.html - and they're not a bad choice at all.
Your transmission ratio (final drive ratio, overdrive ratio) is .70.