I'd say LH. Just for clarity, a dapple can be seen in LH or smooth coat dachshunds. Dapple is a color pattern and can occur in more than one coat type.
Also, young LH dachshunds often don't have a really full coat. I adopted one at 18 months who looked about like your dog. At just past 2 his coat had thickened and lengthened and he was definitely a LH.