Yes you can. Don't fear overpitching, it's actually hard to do. For dry yeast use the whole package, once it's opened you should use it all anyway.
Something is always fermenting
...."It's Bahl Hornin'"Primary:Brite Tank/Lagering:
Tart Cherry Cider, Belgian Tripel, AHA Summer Ale, Sonoma County Organic Cider, Maibock Bock, Ommegang Abbey Ale Clone, Belgian Golden Strong, Belgian Quad (Grand Reserve), Belgian Pale Ale, German Pils (split WLP830 & WLP838)Bottled:
Contentment (Trappist), Derangement (Belgian Dark Strong), Kranky (Kolsch v1.1), Wise One (Wit)On Deck:My Site: www.restlesscellars.com